1. The Brake Fluid Tester allows you to quickly detect the quality of your car's brake fluid by measuring its moisture content, ensuring timely replacement and maintaining optimal brake performance. It is compatible with DOT3, DOT4, and DOT5 brake fluids 2. Featuring a test probe at the front, this Brake Fluid Tester comes with a magnetic luminous pickup head that lights up when activated. Simply insert the probe into the brake fluid reservoir and press the (S) button for clear visibility, making it easy to see the contact point and ensure accurate test results 3. With an LCD screen displaying real-time results, the Brake Fluid Tester provides intuitive and easy-to-understand readings, allowing you to assess the brake fluid condition quickly and accurately, ensuring your vehicle’s safety 4. The innovative magnetic design of the probe not only helps in testing but also aids in removing iron debris from the brake fluid, significantly improving its purity and enhancing the reliability of your braking system 5. This compact and portable Brake Fluid Tester is designed for convenience, making it easy to carry and use whenever you need to check your brake fluid. Don't compromise on safety—use the Brake Fluid Tester to keep your vehicle's braking system in top condition, Manufacturer: ZXZZAS